Method of forming valve disks



Oct. 8, 1929.

E. J. KILE Y METHOD OF FORMING VALVE DISKS 1 I Original Filed July 26, 192? fie-.221

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. Inventor EDWARD J KJLE Y Attorney Patented Oct. 8, 1929 PATENT OFFICE.

EDWARD J. KILEY, OF MANSFIELD, OHIO, ASSIGNOR TO THE OHIO BRASS COMPANY, OF MANSFIELD, OHIO, A CORPORATION OF NEW JERSEY METHOD OF FORMING VALVE DISKS Original application filed July 26, 1927, Serial No. 208,575. Divided and this application filed July 9,

1928. Serial My invention relates to valves and particularly to the disk or closing portion and the method of manufacturing the same. This application is a division of my copending case, serial No. 208,57 5 filed July 26th, 1927.

The object of my invention is to produce a valve which is simple, economical, of few parts and free from the defects which most valves now on the market are subject to.

My invention resides in the new and novel construction and relation of the various parts hereinafter described and shown in the drawing and steps necessary to produce the same.

In the drawing 1- Fig. 1 shows the first step in the manufacture of the closing portion which I will hereinafter term the disk.

Fig. 2 shows the second step in the manufacture of my improved disk.

Fig. 3 is an end or edge view of the part produced by the first two steps of my invention.

Fig. 4t gives a top view of the segregated portion of Fig. 2.

Fig. 5 shows the third step in the production of my improved disk and represents a top view of the disk. I

Fig. 6 may be termed a side view of Fig. 5 representing the disk after the third step.

Fig. 7 is a front side view of my improved disk after the fourth operation.

Fig. Sis a side view of Fig. 7.

Fig. 9 is a top view of my invention shown in Figs. 7 and 8 after the first step.

Fig. 10 is a longitudinal sectional view of my completed invention taken on a center line through theopenings to and from the valve body.

In the construction and manufacture of my improved disk the same is formed up out of sheet metal, preferably brass, as this metal is uniform in thickness, uniform in quality and can be secured at a very reasonable price to any thickness desired and to any width, and, therefore, lends itself very readily to the economical production of a disk.

By properly designing the disk very little waste material is necessary and this point I have particularly had in mind in designing my improved disk.

I have also had in mind reducing the number of operations as far as possible, thereby assisting in another way to reduce the cost without sacrificing the essential points necessary in a disk of this character.

In constructing the disk I employ a strip of sheet brass indicated by 1 in Fig. 1 and probably of the exact width required without waste. The first operation is to cut the notch 2 in the disk and simultaneously therewith the horse shoe shaped slot 3 and the hole t which acts as a bleeder hole in the completed article. The only metal wasted in the production of my valve disk is that in the cutting away portions 2, 3 and 4 in the first operation and the punching of the stem hole 5 in the fifth operation.

From this, it will be readily seen there is very little waste of material in the forming up of my improved disk.

In the second operation shown in Fig. 2 the end portion of the strip 1 is cut along the dotted line 6 and simultaneously therewith is produced the cut away portions 2, 3 and 4 of a second disk and the second steps shown in Fig. 2 separate the stamped portion shown in Fig. 1 from the sheet 1 and simultaneously with the operation described in connection with Fig. 2 the tongue or head 7 is formed up at right angles with the plane of the strip.

or sheet.

The third operation on the sheet or strip 1 repeats that described in Fig. 2 by separating the portion 8 from the strip along the line 6, bending the head 7 up at right angles and producing slots corresponding to 2, 3 and 4t forthe third disk, as previously described,

The bending up of the head 7 produces an enlarged opening 9 which acts as a passage for the fluids through the valve when the valve is fully opened.

In the third operation a portion of the body 10 is bent into a semi-circular form, as shown in Fig. 5, and in reasonably close re lation to the head 7, as shown in Figs. 5 and 6.

In the fourth operation the unformed portion of the body 10 is bent round so as to complete the formation of a cylinder in close relation to the head 7 and with a slot 11 between the adjacent edges 11 and 11".

In the fifth operation the hole 5 is cut in the head to receive the lower end 12 01"- the valve stem 18. The hole 5 and the end of the stem 12 are other than circular, but of corresponding shape so that the two when secured together will rotate in unison.

It will be observed that in the completed disk the bleed hole 4: is opposite the main opening 9 so that when the valve is in its closed position,the bleed hole 1 will permit a slight circulation of the fluid in the system.

The head 7 is formed up out of the metal which produces the opening 9 and is secured to the body 10 by means of the neck 14s.

The valve body is not particularly unique in any respect, but comprises a cylindrical portion 15 which i machined to a substantially smooth cylindrical surface inside provided with openings 16 and 17 to which pipe connections are secured. The body 15 is provided with an end portion 18 upon which is mounted a threaded gland 19 and which with r the packing nut 20 secured thereto comprises a packing chamber in which is positioned packing material 21 which prevents leakage around the stem 13.

To the upper end of the stem 13 may be secured the usual type of handle, either of the round disk shape or the lever shape or any other suitable form.

It will be noted that the body portion 10 is provided with a raised portion 22 and the edges of this portion engaged with a stationary stop 23 secured to the inner face of the end 18. The engagement of the edges of the rim 22 with the stop 23 limits the opening and closing movement of the disk. In order to prevent the inward bending of the head 17 should one stand upon the upper end of the valve stem 13 or the handle thereon, I have provided a shoulder 24 on the stem which engages with a corresponding shoulder on the end of the body and this will support any weight which may be applied to the upper end of the stem and will prevent an inward movement of the stem.

The inner end 12 of the stem passes through the opening 5 in the head of the disk and is headed over at 25, and this then prevents removal of the disk with respect to the stem and with the shoulder on the stem engaging the valve body it is impossible to raise or lower the valve stem more than an amount equal to the clearances between the disk and the body and all vertical movement can be eliminated if desired. I

Also, the construction thus described prevents the removal of the disk from the body only when actually necessary, which in the type of valve shown is very seldom, if ever, necessary.

It will be observed that the disk forms practically a complete cylindrical sleeve excepting for the main opening 9 and what space 11 there may be between the adjacent edges of the disk, and this insures a bearing surface between the disk of the valve body over a larger area, and this is bound to give a much smoother operation of the disk when the valve is opened and closed.

The slight opening 11 in the disk permits a yielding or spring action between the disk and the body, thereby insuring the disk to fit the inner surface of the valve body sufficiently close to limit leakage past the disk, when closed, to a negligible quantity as the valve is usually used on what is known as hot water heating systems where the pressure is very low and the probabilities are that the leakage through the bleed hole 4 will be greater than any leakage between the valve disk and the body. 2

The hole 5 can with proper disk be made in the head 7 in the first operation (Fig. 1). The head 7 is connected to the sleeve portion 10 by the neck 14 which is remote from either end of the disk or intermediate the ends and, therefore, there is less tortional strain set up in the disk when it is rotated than if the neck were at the extreme end, and the nearer the head is connected to the center of the length of the sleeve then the less the tortional strain becomes. a

It is believed from the disclosure herein made that one will appreciate that I have provided a valve in which the disk is of a decidedly unique construction, and produced with a minimum amount of operations and with the use of a minimum amount of metal in the disk and a minimum amount of loss or waste of metal in the forming up of the disk.

There will, of course, be modifications which will suggest themselves to those skilled in the art,lbut I wish to be limited only by my claims.

I claim 1. The method of constructing a valve disk from sheet metal comprisingthe steps or" forming a plate of substantially rectangular shape with a portion of the plate wider than the other portion and having an opening adjacent one end and a substantially circular head inturned from a point adjacent one edge of the opening, then rolling the plate about the head to form a cylinder encircling the head, then punching a hole in the head to receive a valve stem. 7 v

2. The method of constructing a valve disk from sheet metal comprisingthe steps, of forming a slot part way across a strip of metal of the correct width and simultaneously cutting out a substantially horseshoe shaped slot, then cutting ofi the end of the strip along the line of the first said slot farthest from the adjacent end of the strip and turning inwardly the metal left by forming the second said slot to form a head, then rolling the sheet about the head to form a cylindrical sleeve with an open bottom and a side opening and closed by the inturned head at a point intermediate the ends of the sleeve.

3. The method of forming up a sheet metal valve disk comprising the steps of cutting ofi a piece of sheet strip With an oflset edge along one side and forming a horse-shoe shaped slot in the piece leaving a projecting port-ion connected by a neck, then bending the projecting portion at right angles to the plane of the piece, then rolling the piece about the edge of the head to form a cylindrical sleeve.

4:. The. method of forming a cylindrical valve disk With a side and end opening comprising forming of sheet metal a plate of the required outline and size, then forming an opening therethrough With a portion remaining and connected by a bendable neck, then bending said portion at and about the neck to a position at right angles to the plane of the plate, then forming the plate into a cylinder With the said portion forming a closiurfi at one end of the cylindrically formed 5. The method of forming a cylindrical valve disk open at one end, abutting edges along one side and an opening in the side spaced from the said edges comprising forming a plate of sheet metal of the correct shape and size, forming an opening at one point with a tongue of metal depending therein and connected by a bendable portion, then turning the tongue at right angles about the neck and forming the plate into a cylindrical shape about the tongue at one end. i

' In testimony whereof I aflix my signature.

EDWARD J. KILEY. 

